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![Stefan Knoblich](https://secure.gravatar.com/avatar/a110dd2282dffe148a68ad6abf490344.jpg?s=96&d=mm)
Stefan Knoblich committed 61cfafe6c28
FreeTDM: Move custom backtrace code into ftdm_backtrace_walk() and helper functions. Portability fix for uClibc and other (linux) environments that lack execinfo.h. ftdm_backtrace_walk() and related return FTDM_NOTIMPL and print a message if backtraces are not available in the current environment. Signed-off-by: Stefan Knoblich <stkn@openisdn.net>